Negative energy may not be the showstopper it might be the geometry. That’s the bottom line from the latest warp‑drive study ...

Discover how a redesigned toroidal propeller could revolutionize efficiency across various applications. By altering the ...

The Oura Ring 4 is on sale for Cyber Week. For more deals, check out our roundup of the best Black Friday deals. I wore the Oura Rig 4 nonstop for six weeks to see if it's worth the investment. After ...

Oura has arguably done more than anyone else to push the category forward and its rings are category-leading. The Ring 4 is one of the strongest on the market and the company makes a big deal about ...

If the video player is not working, you can click on this alternative video link. Have you ever wanted to make your own toroid coil winding machine? Well, this video shows you how provided you have ...

Stay up to date with everything that is happening in the wonderful world of AM via our LinkedIn community. Freemelt, an EB-PBF 3D printer manufacturer, will lead a feasibility study on behalf of ...

Optical Surfaces Ltd. is a leading manufacturer of top-quality toroidal mirrors for spectroscopic and imaging applications. Toroidal mirrors are aspheric mirrors where the curvature of orthogonal ...

Ring helped start the video doorbell craze way back in 2014. The market for doorbell cameras was valued at $1.77 billion in 2023 with no expectations of slowing down, according to Grand View Research.

Since experiencing a heart attack a few years ago, I’ve worn a slew of wearables that promise to track every health metric that matters to me and my personal wellbeing. Smartwatches are a good choice, ...

Posts from this topic will be added to your daily email digest and your homepage feed. Ring’s Stick Up Cam and Indoor Cam can record continuously starting in November with a new Premium subscription.